CURRENT EMPLOYEES PROMOTING OR TRANSFERRING FROM A NON-DOT POSITION TO A DOT POSITION: If you are a current Shelby County employee serving in a classified service position which is a non-DOT position and you are selected for promotion to a position that requires a CDL you will be subject to the rules and regulations governing DOT physicals and drug screens. Shelby County offers a comprehensive benefit package including health, dental, life and short-term disability insurance, supplemental life insurance, voluntary AD&D, other voluntary benefits, including but not limited to, medical savings account, dependent care spending account.